CDL GENERAL KNOWLEDGE TEST (OH) - PRACTICE TEST
11.
To test the parking brake:
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gently try to pull forward with the parking brake on.
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step on and off the brake pedal to reduce air pressure.
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turn off the engine.
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12.
The Individual Vehicle Distance Record (IVDR) must include all of the following except:
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Date of trip
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Trip origin and destination
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Number of stops
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13.
When driving past parked vehicles, you should:
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watch for clues that the parked vehicle is about to move.
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sound your horn.
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turn on your taillights.
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14.
When using a fire extinguisher on a fire, you should:
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stay as far away from the fire as possible.
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aim the extinguisher at the top of the fire.
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get as close to the fire as possible.
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15.
In order for you to be seen easily:
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lights should only be used when driving in driving in rainy weather.
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lights should be turned off when driving during the day.
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lights should be clean and working properly.
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16.
Right after it starts to rain, the road is very slippery. Why?
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Because the water mixes with oil left on the road by vehicles.
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Because rain is very slippery.
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Because black ice may form on the road.
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17.
If you do not have a cell phone or CB, the first thing you should do at an accident scene is to:
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protect the accident area.
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clear the area.
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care for the injured.
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18.
Containerized loads are used:
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when the cargo exceeds the weight limit.
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when the cargo has been or will be carried by rail or ship.
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when transporting liquids.
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19.
The trailer hand valve should be used:
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only to test the trailer brakes.
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only when applying the brakes hard.
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only on slippery surfaces.
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20.
To determine a safe speed for a downgrade, you should consider:
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Trip origin and destination city.
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The total weight of the vehicle and cargo.
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Oncoming traffic.
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